Patents Assigned to The Knox Company
  • Apparatus for extrusion casting
    Patent number: 4774997
    Abstract: This invention relates to formation of strip or other small sections by casting of metal and passing it through a sizing die. More particularly, the invention relates to production of metal strip by casting, by extruding the strip through a die and by rolling the extruded strip to a thinner gauge.
    Type: Grant
    Filed: July 21, 1987
    Date of Patent: October 4, 1988
    Assignee: Blaw Knox Company
    Inventor: Werner W. Eibe
  • Key with mating keyhead
    Patent number: D440838
    Type: Grant
    Filed: August 31, 1999
    Date of Patent: April 24, 2001
    Assignee: Knox Company
    Inventor: Dohn J. Trempala
  • Contoured socket head for a key
    Patent number: D448982
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: October 9, 2001
    Assignee: Knox Company
    Inventor: Dohn J. Trempala
  • Contoured socket for locking cap
    Patent number: D456702
    Type: Grant
    Filed: June 8, 2001
    Date of Patent: May 7, 2002
    Assignee: Knox Company
    Inventor: Dohn J. Trempala